Mosquito only loves to bite you?These methods allow mosquitoes to "break the son -in -law"!

Author:Science popularization China Time:2022.08.22

August 20th is a very magical day- "World Mosquito Day".

I'm afraid there are no more annoying creatures than mosquitoes.

Try you, live in your home, and the way to pay for rent is to send you a few "bags". Good luck to slap on the spot? It ’s still my own blood ... It’ s easy to boil until winter. Mosquito can be completely stopped, and we slowly forget the mosquitoes until they are patronized by them again.

So how do mosquitoes support winter and why can it breed so fast? How can I kill them? Let's talk about it today.

Gallery copyright picture, not authorized reprint

01. How do mosquitoes support winter?

Mosquitoes cannot keep themselves constant body temperature. If the temperature drops to a certain extent, they will stop activities and even die. In order to preserve yourself and survive the winter, there are really many means of mosquitoes. Let ’s take common light -colored library mosquitoes as an example to talk about mosquito over winter.

If you think of winter, you first choose a "Feng Shui Treasure". When the pale library mosquito does not come out of blood when it overwinter, they will choose warm (not frozen to death), humidity (not easy to die), darker light (not easy to detect), and shelter. , Garage, cellar, and even keo foils are good choices for mosquitoes to spend winter.

Although I don’t know what kind of unlucky mosquito is, it is more fierce and less good | The copyright picture of the gallery, not authorized to reprint

In addition to selecting the place, light -color mosquitoes will also practice "internal skills". We all know that in winter, the temperature of the day is short and the temperature is reduced, and the mosquito can feel the changes in the light cycle and temperature, and then "stagnation", actively store fat, sugar, etc. in the body. Before hibernation, keep meals. In addition, in the late autumn and early winter, the water content in mosquitoes will be reduced, which helps to carry low temperature.

Even so, because the eggs, larvae, and pupae of pale library mosquitoes live in the water, and the cold resistance ability is relatively weak. Once frozen, they will be overwhelmed by the whole army. In the cold winter, most of them are pale library mosquito adults.

Some mosquitoes are in winter, similar to mosquito mosquitoes, while some mosquito eggs, larvae, and pupae can be more cold -resistant.

02. How does mosquito breed?

We often have a feeling. In the summer, the number of mosquitoes is Wu Yangwu Yang, and mosquito spray, screens, and mosquito nets are still invincible.

That's right, mosquitoes are particularly able to give birth. If you think about it carefully, although mosquitoes are particularly annoying, they have no combat power in itself. I can give birth, you can eat it after eating, I lose ".

In summary, a female mosquito can reach hundreds of eggs once, and the mosquitoes are very "fast". They still take pale library mosquitoes as an example. It only takes about half a month from eggs to adults. Can lay eggs. And similar to dozens of other mosquitoes, there is a trick of light -colored warehouse mosquitoes, that is, self -cultivation. The so -called self -cultivation is that adult mosquito can also lay eggs without blood -sucking. In this way, even if female mosquitoes cannot be suck blood in winter, they may also produce offspring [1].

Not just light -colored library mosquitoes are spawning in water | The copyright picture of the gallery, unauthorized reprinting

For insects such as mosquitoes that are more mature and fast, if there are enough survival, as long as the weather is warmer, the conditions become appropriate, and the number will outbreak in a short period of time.

If the mosquito is concentrated in winter and the body is weak and nutritious, finding the mosquito extinguishing mosquitoes will effectively reduce the number of mosquitoes in the coming spring in the coming year, and it will have more effort. (Although it is too late this summer, we will send you again in winter to remind you)

It is important to prevent and control mosquitoes, because there are more mosquitoes and people can suffer.

In areas where sanitary conditions are generally good. In areas with sufficient vaccination, people may only feel that there are more mosquitoes, and occasionally there will be some mosquito media infectious diseases. But in the tropical areas where mosquitoes are truly raging, mosquitoes are real deaths. Statistically, on the human killer list, mosquitoes will easily throw away any beasts.

Red blood cells infected by malaria | Gallery copyright picture, unauthorized reprint

It is estimated that in the world, malaria and dengue fever spread by mosquitoes will cause 700,000 people to die each year. In the case of malaria, 280 million people were infected in 2018, of which 410,000 were dead.

It can be seen that it is really necessary to prevent and control mosquitoes.

03. How can we make the annoying mosquitoes be a little farther away from us?

Mosquitoes make us unable to sleep at night, pain and itchy, how should we deal with them? Here are some ways to list some methods for your reference (relieve hatred).

Physics

PIA! One -handed blood ... This is probably the only pleasure that mosquitoes can bring to us (the cost is still paid by ourselves).

However, shooting mosquitoes may not be a good idea, because the blood stabbing has to be wiped. Therefore, it is recommended that you have an electric mosquito shooting. On the one hand, the electric mosquito shoots comes with static electricity, which can slightly absorb mosquito to increase the hit rate. On the other hand, the pleasant experience brought by spark light barbecue flavor is far superior to death.

In the place where the mosquito density of the bite people is relatively high at night, mosquito -extinguishing lamps and other measures such as anti -pelvic reflection and cleaning water are used together, which is better.

Mosquito

Mosquitoes are "hate" certain chemicals, so they can be used to make mosquito repellent liquids. Commonly included mosquito repellent, such as mosquitoramine, and so on. Mosquito repellent liquid containing these mosquito repellent ingredients is more worth looking forward to. If mosquito -dense places are dense, high -concentration of high -concentration -like -like products are recommended because the effect is more lasting. It should be noted that high -concentrations of sheltering products will have a sticky feeling on the skin.

Pictures may cause discomfort

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What do you guess? | Photography: Gary Clark

But for young babies, some parents may worry that the use of mosquito repellent will affect the health of the baby. At this time, we will use ↓

Physical defense

Mosquito nets and screens can prevent the invasion of mosquitoes well. It should be noted that there will be drainage holes on some aluminum alloy windows. Small mosquitoes still have the opportunity to fly in. You can buy some drainage holes online. Caves should also be posted with subsidy films in time.

Chemical weapon

In addition, the common method of dealing with mosquitoes is spraying pesticides. But on the one hand, mosquitoes are more likely to produce drug resistance, and on the other hand, because the drugs that can kill mosquitoes may also endanger other species. After large -scale use, it is likely to laugh to the last mosquito ... so we need to be more accurate accurate. Crimson (for mosquito) weapons.

Gallery copyright picture, not authorized reprint

So there is ↓

Biochemical extinction

It is difficult for us to destroy mosquitoes at one time, and as long as we have "leakage mosquitoes", mosquitoes can come back to the east. Therefore, many biochemical methods will study how to operate at one time affecting generations of mosquitoes.

For example, in Guangzhou, my country, Professor Xun Zhiyong used Volbak (a bacteria that can infect insects and symbiotic bacteria) to infect mosquitoes in large quantities and make it sterilize. Some researchers use genetic drivers and other technologies to allow mosquito to obtain unfavorable traits or even sterilizers to reduce the number of mosquitoes on a large scale.

However, even for the hate mosquitoes, this means may be a bit too much, and the subsequent impact is unpredictable. Therefore, these ultimate means have not been widely used yet.

In addition, there is a very serious question, that is, do we really have the right to decide the life and death of the entire species? Even if it is a mosquito?

Author | Ding Ding

Review | Meng Fengxia China Disease Control Center Infectious Disease Institute Researcher

references:

[1] Liu Lijuan, Li Yaping. The research progress of the wintering mechanism of light -colored library mosquitoes [J]. Chinese media biology and control magazine, 2012.

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